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   open

   /ˈəʊp(ə)n/

   adjective

   • 1. allowing access, passage, or a view through an empty space; not closed or blocked: "he climbed through the open window" Similar not shutnot closedunlockedunboltedunlatchedoff the latchunfastenedunbarredunsecuredajarwide openagapegapingyawningOpposite shutclosed
   • ▪ (of a container) not fastened or sealed: "the case burst open and its contents flew all over the place"
   • ▪ (of a garment or its fastenings) not done up: "his tie was knotted below the open collar of his shirt" Similar unfastenednot done upundoneunbuttonedunzippedlooseunbuckleduntiedunlaced
   • ▪ (of the mouth or eyes) with lips or lids parted: "his eyes were open but he could see nothing"
   • ▪ (of a fabric) loosely knitted or woven.
   • ▪ (of the bowels) not constipated.
   • 2. exposed to the air or to view; not covered: "an open fire burned in the grate"
   • ▪ (of land) not covered with buildings or trees: "the plans allow increasing numbers of new houses in open countryside" Similar unenclosedrollingsweepingextensivewidewide openbroadunfencedexposedunshelteredspaciousairyuncrowdedunclutteredundevelopedunbuilt-upOpposite enclosedbuilt-updeveloped
   • ▪ damaged by a deep cut in the surface: "he had his arm slashed open"
   • ▪ likely to suffer from or be affected by; vulnerable or subject to: "the system is open to abuse"
   • ▪ (of a goalmouth or other object of attack in a game) unprotected by defenders.
   • ▪ (of a town or city) officially declared to be undefended, and so immune under international law from bombardment.
   • 3. with the outer edges or sides drawn away from each other; unfolded or spread out: "the trees had buds and a few open flowers" Similar spread outunfoldedunfurledunrolledstraightened outextendedstretched outOpposite closedput away
   • ▪ (of a book or file) with the covers parted allowing it to be read: "she was copying verses from an open Bible"
   • ▪ (of a hand) not clenched into a fist.
   • 4. (of a business, place of entertainment, etc.) admitting customers or visitors; available for business: "the shop stays open until 9 p.m" Similar open for businessopen to the publicOpposite shutclosed
   • ▪ (of a bank account) available for transactions: "I withdrew all my money except the minimum required to keep the account open"
   • ▪ (of a phone line) ready to take calls: "our free advice line is open from 8.30 to 17.30"
   • 5. freely available or accessible; unrestricted: "the service is open to all students" Similar availableaccessibleon handobtainableon offer
   • ▪ (of an offer or opportunity) still available: "the offer is open while stocks last"
   • ▪ with no restrictions on those allowed to participate: "open discussion meetings" Similar publicgeneralunrestrictednon-exclusiveaccessible to everyonenon-restrictiveOpposite private
   • ▪ (of a victor) having won an open competition: "an Open champion"
   • ▪ (of a ticket) not restricted as to day of travel: "I have an open ticket, so I can travel any day I like"
   • ▪ (of a cheque) not crossed. British
   • ▪ (of a set) not containing any of its limit points.
   • 6. not concealing one's thoughts or feelings; frank and communicative: "she behaved in an open and cheerful manner" Similar frankcandidhonestforthrightdirectunreservedbluntplain-spokenoutspokenfree-spokendownrightnot afraid to call a spade a spadestraightforwardgenuinenaturalingenuousinnocentartlesstransparentguilelesssimplecommunicativeforthcominguninhibitedinformal:upfrontarchaic:roundOpposite secretivedeepdevious
   • ▪ not concealed: "his eyes showed open admiration as they swept over her" Similar overtobviouspatentmanifestpalpableconspicuousplainundisguisedunconcealedunhiddenclearnoticeablevisibleapparentevidentblatantflagrantbarefacedbrazenOpposite concealed
   • ▪ (of conflict) fully developed and unconcealed: "the dispute erupted into open war"
   • ▪ welcoming public discussion, criticism, and inquiry: "the party's commitment to open government" Similar publicgeneralunrestrictednon-exclusiveaccessible to everyonenon-restrictiveOpposite private
   • ▪ (of a game or style of play) characterized by action which is spread out over the field: "both sides played fast, open rugby to produce a high-scoring game"
   • 7. (of a matter or decision) not finally settled; still admitting of debate: "students' choice of degree can be kept open until the second year" Similar unresolvednot yet settledyet to be settledundecidedunsettledup in the airopen to debateopen for discussionarguabledebatablemootOpposite decidedconcluded
   • ▪ (of the mind) accessible to new ideas: "I'm keeping an open mind about my future" Similar impartialunbiasedunprejudicedobjectivedisinteresteduncommittednon-partisannon-discriminatoryneutraldispassionatedetachedOpposite biased
   • ▪ receptive to: "the union was open to suggestions for improvements" Similar receptiveamenablewilling/ready/disposed to listenresponsive
   • ▪ admitting of; making possible: "the message is open to different interpretations"
   • 8. (of a string) allowed to vibrate along its whole length.
   • ▪ (of a note) sounded from an open string or pipe.
   • ▪ (of a pipe) unstopped at each end.
   • 9. (of a vowel) produced with a relatively wide opening of the mouth and the tongue kept low.
   • ▪ (of a syllable) ending in a vowel.
   • 10. (of an electric circuit) having a break in the conducting path.

   verb

   • 1. move (a door or window) so as to leave a space allowing access and vision: "she opened the door and went in" Similar unfastenunlatchunlockunboltunbarunclickthrow wideOpposite closeshut
   • ▪ (of a door or window) be moved to leave a space allowing access: "the door opened and a man came out"
   • ▪ undo or remove the lid, cover, or fastening of (a container, package, letter, etc.) to get access to the contents: "he opened a bottle inexpertly, spilling some of the wine" Similar unwrapundountieunsealuncorkbroachcrack (open)
   • ▪ part the lips or lids of (one's mouth or eye): "she opened her mouth to argue"
   • ▪ (of the mouth or eyes) have the lips or lids parted: "her eyes slowly opened"
   • ▪ come apart; lose or lack its protective covering: "old wounds opened and I bled a little bit"
   • ▪ cause evacuation of (the bowels).
   • 2. unfold or be unfolded; spread out: "the eagle opened its wings and circled up into the air" Similar spread outunfoldunfurlunrollstraighten outextendstretch outOpposite closefold up
   • ▪ part the covers of (a book or file) to read it: "she opened her book at the prologue"
   • ▪ (of a prospect) extend into view: "stop to marvel at the views that open out below"
   • ▪ achieve a clear view of (a place) by sailing past a headland or other obstruction: "we shall open Torbay shortly"
   • 3. make formally ready for customers, visitors, or business: "she raised £731 by opening her home and selling coffee and tea"
   • ▪ be made ready for customers, visitors, or business: "the shops didn't open until 10"
   • ▪ ceremonially declare (a building, road, etc.) to be completed and ready for use: "we will have to wait until a new bypass is opened before we can tackle the problem of congestion"
   • 4. formally establish or begin (a new business or enterprise): "she began to teach and opened her own school"
   • ▪ (of an event or a new business or enterprise) be formally established or started: "two new restaurants open this week" Similar start tradingopen for businessbe ready for customers/visitorsadmit customersbegin businessset up shopput up one's plateinformal:hang out one's shinglebeginstartinitiateset in motionlaunchget goingget under waystart/get/set the ball rollingget off the groundinaugurateinformal:kick offget the show on the roadformal:commenceOpposite endfinish
   • ▪ take the action required to begin using: "they have the £10 necessary to open a savings account"
   • 5. make (something) present, available, or accessible: "a civil war there has opened the possibility of a peace treaty with the Federation"
   • 6. (of a piece of writing or music) begin: "the chapter opens with a discussion of Anglo-Irish relations"
   • ▪ (of a counsel in a law court) make a preliminary statement in a case before calling witnesses: "Comyn opened for the plaintiff"
   • ▪ another term for open the batting
   • ▪ make (the first bid) in the auction: "West opened 2NT"
   • 7. break the conducting path of (an electric circuit): "the switch opens the motor circuit"
   • ▪ (of an electric circuit or device) suffer a break in its conducting path: "the problem was caused when a switch opened at the substation"

   noun

   • 1. outdoors, especially in an exposed or unprotected setting: "guests were sitting in the open on the terrace"
   • ▪ not subject to concealment; made public: "we have never let our dislike for him come into the open"
   • 2. a championship or competition with no restrictions on who may compete: "his victory in the 2003 Australian Open"
   • 3. an accidental break in the conducting path for an electric current.

   Word Origin Old Englishopen (adjective), openian (verb), of Germanic origin; related to Dutch open and German offen, from the root of the adverb up.

   Derivatives

   • 1. openable adjective

   Scrabble Points: 6

   • O

     1

   • P

     3

   • E

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   • N

     1

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2. en.wikipedia.org › wiki › Open-source_softwareOpen-source software - Wikipedia

   en.wikipedia.org › wiki › Open-source_software

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   2 days ago · Open source software can be considered a public good as it is available to everyone and does not decrease in value for others when downloaded by one person. Open source software is unique in that it becomes more valuable as it is used and contributed to, instead of diminishing the resource.

3. www.guru99.com › how-to-open-and-close-periods-in-postingHow to Open and Close Periods in Posting Period Variant in SAP -...

   www.guru99.com › how-to-open-and-close-periods-in-posting

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   4 days ago · Steps to Open and Close Periods in SAP. Enter the Transaction Code S_ALR_87003642 in the SAP Command Field. In the next screen, Position the Variant you want to maintain and account type for which you want to open or close the periods. Change the period, with following steps.

4. www.cmegroup.com › open-interestOpen Interest - CME Group

   www.cmegroup.com › open-interest

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   2 days ago · Understanding Open Interest. Open interest is the total number of futures contracts held by market participants at the end of the trading day. It is used as an indicator to determine market sentiment and the strength behind price trends.

5. www.guru99.com › how-to-define-posting-period-variantHow to Define Posting Period Variant in SAP - Guru99

   www.guru99.com › how-to-define-posting-period-variant

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   4 days ago · How to Define Posting Period Variant in SAP. Updated July 2, 2024. Steps to Define Posting Period Variant. Enter the Transaction code SPRO in the SAP Command Field and Press Enter. In the next screen Select SAP reference IMG. In next screen-“Display IMG” navigate the following menu path :

6. acsopenscience.org › open-scienceOpen Science - ACS Open Science

   acsopenscience.org › open-science

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   3 days ago · Open science encompasses open data and code, open peer review, preprints, open access to publications, and more. This expansion supports a global effort to encourage widespread collaboration and scientific exploration, and aims to amplify the beneficial impact of primary research on society.

7. www.genome.gov › genetics-glossary › Open-Reading-FrameOpen Reading Frame - National Human Genome Research Institute

   www.genome.gov › genetics-glossary › Open-Reading-Frame

   • Cached

   2 days ago · "Open reading frame" is a terrible term that we're stuck with. What it refers to is a frame of reference, and what is being read, "reading", is the RNA code, and it is being read by the ribosomes in order to make a protein.

8. www.geeksforgeeks.org › introduction-of-system-callIntroduction of System Call - GeeksforGeeks

   www.geeksforgeeks.org › introduction-of-system-call

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   5 days ago · Open(): Accessing a file on a file system is possible with the open() system call. It gives the file resources it needs and a handle the process can use. A file can be opened by multiple processes simultaneously or just one process.